Following is the declaration of subList() method: Your problem is that you are using ArrayList (probably in lots of places) where you should really be using List.As a result you created problems for yourself with an unnecessary constraint that the list is an ArrayList.. Java Vector subList() Method. Suppose we need to sort an array of positive integers {3,11,2,9,1,5}. Following is the declaration for java.util.Vector.subList() method. The subList() method of Java Vector class is used to get a view of the portion of the list between fromIndex, inclusive, and toIndex, exclusive. list.subList(from, to).clear(); Similar idioms may be constructed for indexOf and lastIndexOf, and all of the algorithms in the Collections class can be applied to a subList. Syntax. The subList of a LinkedList can be obtained using the java.util.LinkedList.subList(). Java List sublist Method The sublist method of List Interface returns a view of the portion of this list between the inclusive and exclusive parameters. In this tutorial, we will learn about the Java ArrayList.subList() method, and learn how to use this method to get a sub list from the given ArrayList, with the help of examples. List = [1,2,3,4,5,6] newList = List.subList(1,5) Since subList is a method of List interface, you can use it on ArrayList, LinkedList, Stack, and Vector objects. Points to Note in the below example: This method eliminates the … Get sublist of arraylist example. We are declaring an ArrayList of countries. For example :. We will be doing it using the subList method of ArrayList class. List subList(int fromIndex, int toIndex) Here fromIndex is inclusive and toIndex is exclusive. Vector Class subList() method. subList(int fromIndex, int toIndex) Java ArrayList.subList() – Examples. Example of the subList method on an ArrayList object. toIndex − This is the high endpoint (exclusive) of the subList. Java program to get a sublist of arraylist from an existing sublist. If fromIndex and toIndex are equal, the returned List is empty. fromIndex − This is the low endpoint (inclusive) of the subList. Return Value. Passing True to the method which causes to include line If the start index and the end index are the same, then an empty sub-list is returned. toIndex – last index in existing arraylist. Please note that any change made on objects in sublist will be reflected on original arraylist as well. Example of getting sub-list from an ArrayList. Java: split a List into two sub-Lists. 2. In Java, it is good practice to use interface types rather than concrete classes in APIs. As a little note today, if you ever need to extract a subset of a Java list or array, here are some examples of the Java subList method: public List subList(int fromIndex,int toIndex) Parameters. However, in this article, we will mainly focus on ArrayList and LinkedList objects. the start index for the sub-list(inclusive) and the end index for the sub-list(exclusive) from the required LinkedList. subList() method is available in java.util package. SubList elements from index 0(inclusive) to 3 (exclusive) : [10, 15] Removing elements from a List using subList() subList method eliminates the need for explicit range operations (of the sort that commonly exist for arrays). We are getting the sublist from index 2 to 6. This is what your code should look like: It is inclusive. This method takes two parameters i.e. subList() method is used to return a set of sublist [it returns all those elements exists in a given range starting index (st_index) and ending index (en_index) and here st_index is inclusive … There are few important points regarding this method which I have shared at the end of this post. It is exclusive. 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